k1 = 31/25
k2 = 23000000000
k3 = 27/25
k4 = 1900000000000
k5 = 1
k6 = 1
k7 = 240000000000
k8 = 2600000000000
k9 = 9/200
k10 = 10000000000
k11 = 10000000000
k12 = 7/250
k13 = 7/250
k14 = 7/250
k15 = 1
k16 = 9/2500000000000
k17 = 11/200000000000000
k18 = 37/5000000000000